/a11y-audit: Accessibility Audit

Focused accessibility audit using the accessibility-auditor agent.

Flow

1. Check contrast ratios with uiux_check_contrast
2. Audit focus indicators (grep for :focus, outline patterns)
3. Check touch targets
4. Evaluate heading structure
5. Check ARIA usage
6. Check keyboard navigation patterns
7. Check motion sensitivity support
8. Output severity-ranked findings with specific fixes

Output